National Museum of Nuclear Science & History
H. T. Hunsicker worked for the Midwest Piping and Supply Company.
Hildebrand worked for Stone and Webster Engineering Corporation.
Arthur Compton (1892-1962) was an American physicist and winner of the Nobel Prize in Physics. A top administrator and advisor during the Manhattan Project, Compton played a key role in the making of the atomic bomb.
Harry Stephon was a gruard and sergeant in the U.S. Army at the Metallurgical Laboratory in Chicago during the Manhattan Project.